curl --request GET \
  --url https://api.topcalls.ai/v1/leads \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "phone_number": "<string>",
      "tags": [
        "<string>"
      ],
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "email": "jsmith@example.com",
      "notes": "<string>",
      "metadata": {},
      "converted_at": "2023-11-07T05:31:56Z",
      "list_ids": [
        "3c90c3cc-0d44-4b50-8888-8dd25736052a"
      ]
    }
  ],
  "has_more": true,
  "next_cursor": "<string>"
}